6 speed pulling - building boost - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 26 (permalink) Old 08-23-2006, 09:21 AM Thread Starter
 
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6 speed pulling - building boost

I have only pulled this truck once, last year the day after I bought it. This year, I have a few mods and am anxious to be competitive in our country sled pull next month.

One thing I am clueless on, is how to build boost with a 6 speed? I've got an SBC DD 3600# 12 CB clutch, it does not slip, it just grabs. How can I build boost before taking off?

Last year, I just put it in 4lo, 3rd gear, and hammered down once I got rolling. I did pretty well for being totally stock, but this year I plan to win. I'm one of three CTD's that compete, the rest are Powerjokes.

Thanks for any info.
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post #2 of 26 (permalink) Old 08-23-2006, 02:16 PM
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hook up to the sled, tighen the chain. then rev it as high as it will go, then let out on the clutch slowly till you start building boost. when you hit 20 lbs, which should happen real fast. then just let it out the rest of the way. it takes a little bit to get used to it. use 4th low and make sure you have it all the way out by the 75' mark.

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post #3 of 26 (permalink) Old 08-23-2006, 03:27 PM
 
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What gunracer is saying is somewhat correct...the only thing I have issue with is watching the boost gauge.
Watch the rpm's..keep them redlined while letting the clutch out and she'll go.
You'll know when to let it completly out...usually about 5 seconds into it or so.

Watch the videos in my sig...

GET RID OF THOSE 37's and GET SOME 33's for pete sake!!(if you want to do well)
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post #4 of 26 (permalink) Old 08-23-2006, 08:29 PM
 
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as justin said full throttle and slolwy let it out, i let out of mine when i get 40psi built
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post #5 of 26 (permalink) Old 08-23-2006, 09:15 PM Thread Starter
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Quote:
Originally Posted by SlowDiesel
What gunracer is saying is somewhat correct...the only thing I have issue with is watching the boost gauge.
Watch the rpm's..keep them redlined while letting the clutch out and she'll go.
You'll know when to let it completly out...usually about 5 seconds into it or so.

Watch the videos in my sig...

GET RID OF THOSE 37's and GET SOME 33's for pete sake!!(if you want to do well)
What I like about the 37's is the width for the sandy track I'm going to be on. The year before last, I won the gas division with an extremely underpowered 360 on 42 inch TSL's, beating out guys with big blocks and smaller tires. The flotation helps a lot. With that said, what kind of 33 inch tire would work well for this application? I have my stock wheels so if there is something for a 17 inch wheel, I'd be willing to look at it.
I'm gonna win either way, the trucks here aren't THAT ******. There is one twin turbo older Ferd truck and then there is the other guy with a 3rd gen diesel just like mine, running TST and injectors with a clutch, and those two were within feet of each other last year. I'm thinking with my stacked boxes, plenty of fuel, and a clutch that won't let go, I'll do alright. The rest of the competition is just Powerstrokes with chips, basically. Just a single chip. It's a county pull, nothing fancy, just a good time.
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post #6 of 26 (permalink) Old 08-25-2006, 04:33 AM
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I've only done it once but I ran 4l 3rd gear and that didn't allow enough speed. I'd use 4l,4th gear and give it all it's got.

BTW you know my buddy Honker1 on Pirate4x4 don't ya? You sent him some pic's of your wheelin rig so he'd have an idea about puttin 1ton in his 1500.

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post #7 of 26 (permalink) Old 08-25-2006, 05:29 AM
 
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I recommend Pro Comp All Terrains 33/12.50 (hard tracks), Pro Comp Xtreme All Terrains 33/12.50, Mickey Thompson MTX 33/1250's, Mickey Thompson ATZ's 33/12.50.

Those are some good tires...
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post #8 of 26 (permalink) Old 08-27-2006, 03:14 PM
 
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You might watch for some of those "powerjokes"... I dont even have a "chip"....

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post #9 of 26 (permalink) Old 09-02-2006, 02:25 AM Thread Starter
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Quote:
Originally Posted by 01duramax6spd
I've only done it once but I ran 4l 3rd gear and that didn't allow enough speed. I'd use 4l,4th gear and give it all it's got.

BTW you know my buddy Honker1 on Pirate4x4 don't ya? You sent him some pic's of your wheelin rig so he'd have an idea about puttin 1ton in his 1500.
I'm sure I've talked to him, I've talked to a lot of people about trucks on the Intraweb.

The track I am pulling on is very loose dirt, the sled packs it down a little but it's pretty sandy. I'm just going to get an aggressive tire that is really wide so I don't dig down too much. I might end up just using what I have because they are on a 10 inch wide rim and float pretty good. Plus if I go out there with a different set of wheels and tires and get my *** handed to me, I'll look like an idiot, but if I roll out there with what I have on the truck every day, and get my *** handed to me, no big deal. It will just be like last year all over again.
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post #10 of 26 (permalink) Old 09-06-2006, 09:52 PM
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When is this pull in Arkansas? I have a Powerjoke that just loves handing people their own *****. Seriously though, I'll put a 6.0 in the field if you'll tell me when it is.

"To hell with a 6.0, make mine 6 in a row"

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